# Control Systems Engineering vs Hamzah Academy

The clearest difference is in-app purchases: Hamzah Academy at none against Control Systems Engineering's 6. Hamzah Academy also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Control Systems Engineering sells 6 in-app purchases, starting at $9.99 per month. Hamzah Academy asks for nothing beyond the download.

## The numbers

| Metric | Control Systems Engineering | Hamzah Academy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 18 MB | 155 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) | [Carevan](https://appshunter.io/developer/1549437123) |

## What reviewers say

### Control Systems Engineering

[App page](https://appshunter.io/ios/app/control-systems-engineering/id6739731886)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $9.99 | per month |
| 6 Months | $19.99 | per 6 months |
| 1 Year | $29.99 | per year |
| 1500 | $0.99 | one-time |
| 3500 | $1.99 | one-time |
| 9000 | $3.99 | one-time |


### Hamzah Academy

[App page](https://appshunter.io/ios/app/hamzah-academy/id6744807849)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Control Systems Engineering free?

Control Systems Engineering is free to download, with in-app purchases available.

### Is Hamzah Academy free?

Hamzah Academy is free to download, with no in-app purchases.

### Do Control Systems Engineering or Hamzah Academy have ads?

Neither Control Systems Engineering nor Hamzah Academy shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*